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Mirena
| Levonorgestrel Contraceptive (Generic) Levonorgestrel | ||||||
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Shipped from Canada | ||||||
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General Medication Fact Sheet for Mirena
| Field | Information |
|---|---|
| Medication Name | Mirena |
| Generic Name | Levonorgestrel Intrauterine System (IUS) |
| Boxed/Label Warning | Risk of ectopic pregnancy, serious infections, and uterine perforation. |
| Purpose | Long-acting reversible contraception (LARC) and treatment of heavy menstrual bleeding. |
| Mechanism of Action | Releases levonorgestrel locally in the uterus, thickening cervical mucus, inhibiting sperm motility and function, and suppressing endometrial growth. |
| Dosage Forms | Intrauterine System (IUS) |
| Available Strengths | 52 mg levonorgestrel |
| Dosage Frequency | One IUS inserted into the uterus, effective for up to 8 years for contraception or 5 years for heavy menstrual bleeding. |
| Common Side Effects | Changes in bleeding patterns, including spotting or heavier bleeding, headache, acne, breast tenderness, pelvic pain. |
| Serious Side Effects | Ectopic pregnancy, pelvic inflammatory disease (PID), uterine perforation, ovarian cysts, expulsion of the device. |
| Drug Interactions | Enzyme-inducing drugs (e.g., rifampin, carbamazepine) may decrease the effectiveness of levonorgestrel. |
| Important Notes | Insertion and removal must be performed by a trained healthcare provider. Monitor for signs of infection or expulsion. Not for use in women with certain uterine abnormalities or a history of PID. |
| Storage | Store at room temperature in the original packaging. |
| Missed Dose | N/A – IUS is a long-acting device. Contact your healthcare provider if you suspect expulsion. |
| Alternatives | Kyleena, Liletta, Skyla, Copper IUD (Paragard), Oral Contraceptives |
Mirena Alternatives
| Medication | Mechanism of Action | Notes |
|---|---|---|
| Kyleena | Releases a lower dose of levonorgestrel | Effective for up to 5 years. |
| Liletta | Releases levonorgestrel | Effective for up to 8 years. |
| Skyla | Releases a lower dose of levonorgestrel | Smaller size, may be easier to insert for some women; effective for up to 3 years. |
| Copper IUD (Paragard) | Releases copper ions, toxic to sperm | Non-hormonal option, effective for up to 10 years. Can cause heavier periods. |
| Oral Contraceptives | Vary, but generally involve synthetic estrogen and/or progestin hormones that prevent ovulation. | Daily pill with variable efficacy based on adherence; many different formulations available. |
Mirena Side Effects
| Common Side Effects | Serious Side Effects |
|---|---|
| Changes in bleeding patterns (spotting, heavier bleeding, amenorrhea) | Ectopic pregnancy |
| Headache | Pelvic inflammatory disease (PID) |
| Acne | Uterine perforation |
| Breast tenderness | Ovarian cysts |
| Pelvic pain | Expulsion of the device |
Mirena Dosage Guide
| Condition | Starting Dose | Maintenance Dose | Administration Notes |
|---|---|---|---|
| Contraception | One Mirena IUS | N/A (Long-acting device) | Inserted by a healthcare provider; effective for up to 8 years. |
| Heavy Menstrual Bleeding | One Mirena IUS | N/A (Long-acting device) | Inserted by a healthcare provider; effective for up to 5 years. |
Mirena Price With And Without Insurance
| Purchase Context | Estimated Price |
|---|---|
| With Insurance | $NA |
| Without Insurance (U.S.) | $800 – $1,300 |
| From Canada | $489.95 |
